/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file           : main.c
 * @brief          : Main program body
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2025 STMicroelectronics.
 * All rights reserved.
 *
 * This software is licensed under terms that can be found in the LICENSE file
 * in the root directory of this software component.
 * If no LICENSE file comes with this software, it is provided AS-IS.
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "IrReceive.h"
#include "IrTransmit.h"
#include "serialJson.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

uint8_t rx_dma_buf[DMA_SIZE]; // DMA 硬件缓冲
// uint8_t rx_buf[DMA_SIZE];     // DMA 硬件缓冲
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
void UART_Send(const char *data, uint16_t len)
{
  HAL_UART_Transmit(&huart1, (uint8_t *)data, len, 100);
}
// ------------------ 回调函数 ------------------
// 解码成功
void IR_FrameCallback(const IrFrame_Def *frame)
{
  SEGGER_RTT_printf(0, "NEC decode: address=0x%04X, command=0x%02X, mode=%s\n",
                    frame->nec.address,
                    frame->nec.command,
                    frame->nec.mode == NEC_STANDARD ? "Standard" : "Extended");
  // 上报给上位机
  UART_Report((IrFrame_Def *)frame);
  LED_TOGGLE;
  HAL_Delay(3000);
  LED_TOGGLE;
  // IrTransmit_SendFrame(frame);
}
// ------------------ HAL TIM IC 回调桥接 ------------------
void HAL_TIM_IC_CaptureCallback(TIM_HandleTypeDef *htim)
{
  if (htim->Instance == TIM3)
  {
    IRReceiver_OnCapture(&irReceiver, htim);
  }
}
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
  if (huart->Instance == USART1)
  {
    // rx_buf 已经收到指定长度的数据
    // ProcessData(rx_buf, RX_LEN);

    // 再次启动 DMA 接收下一批
    HAL_UART_Receive_DMA(&huart1, rx_dma_buf, DMA_SIZE);
  }
}

// void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
// {
//   if (huart->Instance == USART1)
//   {
//     // rx_buf<-rx_dma_buf
//     memcpy(rx_buf, rx_dma_buf, Size);

//     // 重新使能接收
//     HAL_UARTEx_ReceiveToIdle_DMA(&huart1, rx_dma_buf, DMA_SIZE);
//   }
// }

/* USER CODE END 0 */

/**
 * @brief  The application entry point.
 * @retval int
 */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_TIM3_Init();
  MX_TIM2_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  SEGGER_RTT_Init();
  SEGGER_RTT_WriteString(0, "System Init\r\n");

  DWT_Delay_Init();

  IRReceiver_Begin(&irReceiver, &htim3);
  irReceiver.callback = IR_FrameCallback;
  IrTransmit_Init(&htim2);

  SEGGER_RTT_WriteString(0, "IR Init OK\r\n");

  UART_Protocol_Ctrl_Init(&uartProtocolCtrl, &huart1);
  UART_Protocol_BeginReceive(&uartProtocolCtrl);
  while (1)
  {
    // 定期轮询解码
    IRReceiver_PollDecode(&irReceiver, &irFrame);
    // 接收到上位机发来的数据
    if (UART_Protocol_Ctrl_ParseFrame(&uartProtocolCtrl))
    {
      // 成功解析出一帧
      SEGGER_RTT_printf(0, "Got frame: cmd=0x%02X, len=%d\r\n", uartProtocolCtrl.frame.cmd, uartProtocolCtrl.frame.length);
      // 发送回去
      // UART_Protocol_SendFrame(&uartProtocolCtrl, &uartProtocolCtrl.frame);

      // 串口协议转为红外波形描述
      uint16_t buff[IR_WAVE_LINENUMS];
      int len = uartProtocolCtrl.frame.length / 2;
      for (int i = 0; i < len && i < IR_WAVE_LINENUMS; i++)
      {
        buff[i] = (uartProtocolCtrl.frame.data[2 * i] | uartProtocolCtrl.frame.data[2 * i + 1] << 8) & 0x7FFF;
      }

      NECFrame sendFrame;
      if (WaveBufferToENCFrame(buff, len, &sendFrame))
      {
        SEGGER_RTT_printf(0, "Parsed to NEC frame: address=0x%04X, command=0x%02X, mode=%s\r\n",
                          sendFrame.address,
                          sendFrame.command,
                          sendFrame.mode == NEC_STANDARD ? "Standard" : "Extended");

        // 红外发射
        IrTransmit_SendFrame(&sendFrame);
        SEGGER_RTT_printf(0, "IR frame sent\r\n");
      }
      else
      {
        SEGGER_RTT_WriteString(0, "Failed to parse to NEC frame\r\n");
      }
    }

    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
 * @brief System Clock Configuration
 * @retval None
 */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
   */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
 * @brief  This function is executed in case of error occurrence.
 * @retval None
 */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
 * @brief  Reports the name of the source file and the source line number
 *         where the assert_param error has occurred.
 * @param  file: pointer to the source file name
 * @param  line: assert_param error line source number
 * @retval None
 */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
